He 20 Tona o na paipu huinaha kalapona i hoounaia aku i Rusia – ROYAL GROUP

Inoa Huahana: Q235 Paha Paha, Plain Carbon Steel Square Tube, Large Diameter Plain Carbon Steel Square Tube, Manoanoa Pā Plain Carbon Steel Square Tube, Q215 Plain Carbon Steel Square Tube, 20# Plain Carbon Steel Square Tube

ʻO ka paipu kila kila maʻemaʻe he paipu kila equilateral.ʻO ka hoʻokō ʻana i ke kila maʻamau GBT 6728-2002 i hoʻokumu ʻia i ke anuanu no ka hale, ka nui, ke ʻano, ke kaumaha a me ka ʻae ʻana i ka hoʻoili ʻana a me ka hana ʻana, ua ʻōwili ʻia mai ke kila kila Q345B.Hana ʻia ka pahu haʻahaʻa haʻahaʻa haʻahaʻa i nā mea haʻahaʻa haʻahaʻa (Q345B), he ʻokoʻa loa ia mai ka pahu square maʻamau i nā mea maka (Q195, Q215, Q235).Unpacked ka haʻahaʻa-alloy strip steel (16Mn) , flattened, crimped, welded to form a round tube, and then rolled into a square tube from the round tube and then cut in the requirement long.ʻO ka lōʻihi maʻamau he 6 mika, 12 mika a i ʻole nā ​​​​lōʻihi paʻa ʻē aʻe.

ʻO ke kaʻina hana o ka paipu pahu kila kila maʻemaʻe penei:

ʻO ke koho ʻana i nā mea waiwai—nā ʻike waiwai—nā hale kūʻai waiwai—extrusion molding—annealing—straightening—heat treatment—mechanical performance inspection—chemical analysis—tensile test—inspection—ʻoki ʻana i ka lōʻihi—honing—end processing—finished product warehousing—finished product reprocessing Inspection - pau. hāʻawi huahana